144 lines
4.7 KiB
C
144 lines
4.7 KiB
C
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#ifndef IO_EXPANDER_H
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#define IO_EXPANDER_H
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#include <linux/types.h>
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/* IOEXP type define (QSFP series) */
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#define IOEXP_TYPE_CYPRESS_NABC (10102)
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#define IOEXP_TYPE_CYPRESS_7ABC (10207)
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/* IOEXP mode define */
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#define IOEXP_MODE_DIRECT (19001)
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/* IOEXP state define */
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#define STATE_IOEXP_NORMAL (0)
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#define STATE_IOEXP_INIT (-1)
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#define STATE_IOEXP_ABNORMAL (-2)
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/* IOEXP error code define */
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#define ERR_IOEXP_NOTSUPPORT (-100)
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#define ERR_IOEXP_UNINIT (-101)
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#define ERR_IOEXP_BADCONF (-102)
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#define ERR_IOEXP_BADINPUT (-105)
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#define ERR_IOEXP_UNEXCPT (-199)
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#define SWPS_INFO(fmt, args...) printk( KERN_INFO "[SWPS] " fmt, ##args)
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#define SWPS_WARN(fmt, args...) printk( KERN_WARNING "[SWPS] " fmt, ##args)
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#define SWPS_ERR(fmt, args...) printk( KERN_ERR "[SWPS] " fmt, ##args)
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#ifdef DEBUG_SWPS
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# define SWPS_DEBUG(fmt, args...) printk( KERN_DEBUG "[SWPS] " fmt, ##args)
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#else
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# define SWPS_DEBUG(fmt, args...)
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#endif
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struct ioexp_addr_s {
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int chan_id;
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int chip_addr;
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int read_offset[8];
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int write_offset[8];
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int conf_offset[8];
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uint8_t data_default[8];
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uint8_t conf_default[8];
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};
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struct ioexp_i2c_s {
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int chip_id;
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struct i2c_client *i2c_client_p;
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struct ioexp_i2c_s *next;
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};
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struct ioexp_bitmap_s {
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int chip_id; /* IOEXP chip id */
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int ioexp_voffset; /* IOEXP virtual offset */
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int bit_shift;
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};
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struct ioexp_map_s {
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int chip_amount; /* Number of chips that IOEXP object content */
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int data_width; /* Number of (Read/Write/Config) bytes */
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struct ioexp_addr_s *map_addr; /* Chip address info */
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struct ioexp_bitmap_s map_present[8]; /* IOEXP for SFP / QSFP */
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struct ioexp_bitmap_s map_tx_disable[8]; /* IOEXP for SFP */
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struct ioexp_bitmap_s map_tx_fault[8]; /* IOEXP for SFP */
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struct ioexp_bitmap_s map_rxlos[8]; /* IOEXP for SFP */
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struct ioexp_bitmap_s map_reset[8]; /* IOEXP for QSFP */
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struct ioexp_bitmap_s map_lpmod[8]; /* IOEXP for QSFP */
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struct ioexp_bitmap_s map_modsel[8]; /* IOEXP for QSFP */
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};
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struct ioexp_data_s {
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uint8_t data[8];
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};
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struct ioexp_obj_s {
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/* ============================
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* Object public property
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* ============================
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*/
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int ioexp_id;
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int ioexp_type;
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/* ============================
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* Object private property
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* ============================
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*/
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struct ioexp_data_s chip_data[16]; /* Max: 8-ioexp in one virt-ioexp(ioexp_obj) */
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struct ioexp_map_s *ioexp_map_p;
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struct ioexp_obj_s *next;
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struct ioexp_i2c_s *i2c_head_p;
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struct mutex lock;
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int mode;
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int state;
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/* ===========================================
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* Object public functions
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* ===========================================
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*/
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int (*get_present)(struct ioexp_obj_s *self, int virt_offset);
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int (*get_tx_fault)(struct ioexp_obj_s *self, int virt_offset);
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int (*get_rxlos)(struct ioexp_obj_s *self, int virt_offset);
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int (*get_tx_disable)(struct ioexp_obj_s *self, int virt_offset);
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int (*get_reset)(struct ioexp_obj_s *self, int virt_offset);
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int (*get_lpmod)(struct ioexp_obj_s *self, int virt_offset);
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int (*get_modsel)(struct ioexp_obj_s *self, int virt_offset);
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int (*set_tx_disable)(struct ioexp_obj_s *self, int virt_offset, int input_val);
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int (*set_reset)(struct ioexp_obj_s *self, int virt_offset, int input_val);
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int (*set_lpmod)(struct ioexp_obj_s *self, int virt_offset, int input_val);
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int (*set_modsel)(struct ioexp_obj_s *self, int virt_offset, int input_val);
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/* ===========================================
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* Object private functions
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* ===========================================
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*/
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int (*init)(struct ioexp_obj_s *self);
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int (*update_all)(struct ioexp_obj_s *self, int show_err, char *caller_name);
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int (*fsm_4_direct)(struct ioexp_obj_s* self);
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};
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struct ioexp_obj_s* get_ioexp_obj(int ioexp_id);
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int create_ioexp_obj(int ioexp_id,
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int ioexp_type,
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struct ioexp_addr_s *addr_map_p,
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int run_mode);
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int init_ioexp_objs(void);
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void clean_ioexp_objs(void);
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int check_channel_tier_1(void);
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/* Macro for bit control */
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#define SWP_BIT_SET(byte_val,bit_shift) ((byte_val) |= (1<<(bit_shift)))
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#define SWP_BIT_CLEAR(byte_val,bit_shift) ((byte_val) &= ~(1<<(bit_shift)))
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#endif /* IO_EXPANDER_H */
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